Tail cap charging converter



FIG. 1 is a top plan view of a tail cap charging converter showing our new design;

FIG. 2 is a front elevation view thereof; the rear elevation view, the right side elevation view, and the left side elevation view being mirror images thereto;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top perspective view thereof; and,

FIG. 5 is a bottom perspective view thereof. 

CLAIM The ornamental design for a tail cap charging converter, as shown and described. 